Ceramic-Coated Rods | McMaster-Carr

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Finish

Ceramic Coated

System of Measurement

Diameter

Material

Length

End Type

Edge Type

For Motion

Mechanical Finish

Shaft Type

Round with Support Rail

Hardness Rating

Hardness

Surface Smoothness

Performance

Highly Wear Resistant

Temper Designation

Finish Thickness

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Tolerance Rating

Construction

RoHS

REACH

Mounting Hole Center-to-Center Width

1 1/4"

1 1/2"

Export Control Classification Number (ECCN)

EAR99

DFARS Specialty Metals

Width

Center Height

65 Products

Linear Shafts

Pair with linear bearings and shaft supports to create smooth, precise motion. These linear shafts are turned, ground, and polished to tight tolerances and hardened to resist wear.

Lightweight Ceramic-Coated Aluminum—Lightweight and corrosion resistant with an ultra-hard, slippery ceramic coating for wear resistance. Even contaminants such as weld spatter, molten glass, and paint won't stick to these shafts. While the coating is hard, they have a soft core, so they should be used with linear sleeve bearings to avoid denting the shaft.

Surface Smoothness—The lower the microinch value, the smoother the finish and the less friction it will cause on the bearing.

	Lg.	Dia. Tolerance	Hardness	Hardness Rating	Surface Smoothness, μin		Each
Lightweight Ceramic-Coated Aluminum







				1/4" Diameter

				6"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K61	000000


				9"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K62	00000
				12"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K63	00000
				15"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K64	00000
				18"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K65	00000
				24"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K66	00000
				36"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K67	00000
				48"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K68	00000




						3/8" Diameter

						6"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K71	00000


						9"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K72	00000
						12"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K73	00000
						15"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K74	00000
						18"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K75	00000
						24"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K76	00000
						36"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K77	00000
						48"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K78	00000




								1/2" Diameter

								6"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K11	00000


								9"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K12	00000
								12"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K13	00000
								15"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K14	00000
								18"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K15	00000
								24"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K16	00000
								36"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K17	00000
								48"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K18	00000




										3/4" Diameter

										6"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K21	00000


										9"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K22	00000
										12"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K23	00000
										15"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K24	00000
										18"	-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K25	00000
24"										-0.0012" to -0.0004"	Rockwell C70	Ultra Hard	12	1031K26	00000
36"	-0.0012" to -0.0004"									Rockwell C70	Ultra Hard	12	1031K27	000000
48"	-0.0012" to -0.0004"									Rockwell C70	Ultra Hard	12	1031K28	000000




		1" Diameter

		6"	-0.0012" to -0.0004"							Rockwell C70	Ultra Hard	12	1031K31	00000


		9"	-0.0012" to -0.0004"							Rockwell C70	Ultra Hard	12	1031K32	00000
		12"	-0.0012" to -0.0004"							Rockwell C70	Ultra Hard	12	1031K33	00000
		15"	-0.0012" to -0.0004"							Rockwell C70	Ultra Hard	12	1031K34	00000
		18"	-0.0012" to -0.0004"							Rockwell C70	Ultra Hard	12	1031K35	00000
		24"	-0.0012" to -0.0004"							Rockwell C70	Ultra Hard	12	1031K36	00000
		36"	-0.0012" to -0.0004"							Rockwell C70	Ultra Hard	12	1031K37	000000
		48"	-0.0012" to -0.0004"							Rockwell C70	Ultra Hard	12	1031K38	000000




				1 1/2" Diameter

				6"	-0.0013" to -0.0005"					Rockwell C70	Ultra Hard	12	1031K41	00000


				9"	-0.0013" to -0.0005"					Rockwell C70	Ultra Hard	12	1031K42	00000
				12"	-0.0013" to -0.0005"					Rockwell C70	Ultra Hard	12	1031K43	00000
				15"	-0.0013" to -0.0005"					Rockwell C70	Ultra Hard	12	1031K44	00000
				18"	-0.0013" to -0.0005"					Rockwell C70	Ultra Hard	12	1031K45	00000
				24"	-0.0013" to -0.0005"					Rockwell C70	Ultra Hard	12	1031K46	000000




										2" Diameter

						6"				-0.0015" to -0.0005"	Rockwell C70	Ultra Hard	12	1031K51	00000


						12"	-0.0015" to -0.0005"			Rockwell C70	Ultra Hard	12	1031K53	000000
						15"	-0.0015" to -0.0005"			Rockwell C70	Ultra Hard	12	1031K54	000000
						24"	-0.0015" to -0.0005"			Rockwell C70	Ultra Hard	12	1031K56	000000

Support-Rail Shafts

Attached support rails prevent bending or bearing misalignment under moderate to heavy loads. Pair with linear bearings to create smooth, precise motion. These linear shafts are turned, ground, and polished to tight tolerances and hardened to resist wear.

Surface Smoothness—The lower the microinch value, the smoother the finish and the less friction it will cause on the bearing.

	Overall Wd.	Mounting Hole Dia.	Hardness	Hardness Rating	Surface Smoothness, μin	Support Rail Material		Each
Lightweight Ceramic-Coated Aluminum







	1/2" Diameter

	6"	-0.0012" to -0.0004"	1 1/8"	1 1/2"	5/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K11	000000


	9"	-0.0012" to -0.0004"	1 1/8"	1 1/2"	5/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K12	00000
	12"	-0.0012" to -0.0004"	1 1/8"	1 1/2"	5/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K13	00000
	18"	-0.0012" to -0.0004"	1 1/8"	1 1/2"	5/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K14	000000
	24"	-0.0012" to -0.0004"	1 1/8"	1 1/2"	5/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K15	000000




			3/4" Diameter

			6"	-0.0012" to -0.0004"	1 1/2"	1 3/4"	7/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K21	00000


			9"	-0.0012" to -0.0004"	1 1/2"	1 3/4"	7/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K22	00000
			12"	-0.0012" to -0.0004"	1 1/2"	1 3/4"	7/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K23	000000
			18"	-0.0012" to -0.0004"	1 1/2"	1 3/4"	7/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K24	000000
			24"	-0.0012" to -0.0004"	1 1/2"	1 3/4"	7/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K25	000000




					1" Diameter

					6"	-0.0012" to -0.0004"	1 3/4"	2 1/8"	9/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K31	00000


					9"	-0.0012" to -0.0004"	1 3/4"	2 1/8"	9/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K32	00000
					12"	-0.0012" to -0.0004"	1 3/4"	2 1/8"	9/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K33	000000
					18"	-0.0012" to -0.0004"	1 3/4"	2 1/8"	9/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K34	000000
					24"	-0.0012" to -0.0004"	1 3/4"	2 1/8"	9/32"	Rockwell C70	Ultra Hard	12	6063 Aluminum	1049K35	000000